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Q:

Which one of the following statements is not correct?

 

A) Fischer projection represents the molecule in an eclipsed conformation B) Newman projection can be represented in eclipsed, staggered and skew conformations
C) Fischer projection of the molecule is its most stable conformation D) In Sawhorse projections, the lines are inclined at an angle of 120 deg to each other.
 
Answer & Explanation Answer: C) Fischer projection of the molecule is its most stable conformation

Explanation:

Fischer projections were originally proposed for the depiction of carbohydrates and used by chemists, particularly in organic chemistry and biochemistry.A Fischer projection always uses an eclipsed conformation. A Newman diagram can represent either an eclipsed conformation or a staggered conformation or a skew conformation.

 

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0 70545
Q:

The properties of several unknown solids were measured. Choose the correct option.

 

 

 

A) A, C B) A, C, D
C) B, D D) A, B, C, D
 
Answer & Explanation Answer: D) A, B, C, D

Explanation:
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0 70539
Q:

Rearrange the parts of the sentence in correct order.

 

For India, therefore,

P-­a priority along with nuclear safety
Q­-nuclear security is not a new objective,
R­-but has always been

 

A) RQP B) RPQ
C) PRQ D) QRP
 
Answer & Explanation Answer: D) QRP

Explanation:
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0 70433
Q:

Rearrange the parts of the sentence in correct order.

Although no convincing

P-arguments were made against
Q-was commotion in the House
R-the amendment, there

A) RPQ B) QRP
C) PRQ D) QPR
 
Answer & Explanation Answer: C) PRQ

Explanation:
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0 70407
Q:

Which of the following is used in making perfumes as well as flavouring agents?

 

A) Esters B) Ethanol
C) Methanol D) Ethanoic acid
 
Answer & Explanation Answer: A) Esters

Explanation:
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4 70402
Q:

Improve the bracketed part of the sentence.

I had (a few) eggs in the fridge, so we need to go to the market to buy them.

A) a little B) few
C) little D) No improvement
 
Answer & Explanation Answer: B) few

Explanation:
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0 70382
Q:

Rearrange the parts of the sentence in correct order.The aim of platonic

P : into a God

Q : philosophy was to

R : exalt man

A) QPR B) RPQ
C) PRQ D) QRP
 
Answer & Explanation Answer: D) QRP

Explanation:
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0 70373
Q:

Rearrange the parts of the sentence in correct order.

One will need to watch what

P-­happens in the United States
Q­-presidential elections
R­-after the forthcoming

 

A) RPQ B) QRP
C) PRQ D) QPR
 
Answer & Explanation Answer: C) PRQ

Explanation:
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1 70319